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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix_test
import (
"testing"
"time"
"golang.org/x/sys/unix"
)
func TestPpoll(t *testing.T) {
defer chtmpdir(t)()
f, cleanup := mktmpfifo(t)
defer cleanup()
const timeout = 100 * time.Millisecond
ok := make(chan bool, 1)
go func() {
select {
case <-time.After(10 * timeout):
t.Errorf("Ppoll: failed to timeout after %d", 10*timeout)
case <-ok:
}
}()
fds := []unix.PollFd{{Fd: int32(f.Fd()), Events: unix.POLLIN}}
timeoutTs := unix.NsecToTimespec(int64(timeout))
n, err := unix.Ppoll(fds, &timeoutTs, nil)
ok <- true
if err != nil {
t.Errorf("Ppoll: unexpected error: %v", err)
return
}
if n != 0 {
t.Errorf("Ppoll: wrong number of events: got %v, expected %v", n, 0)
return
}
}
func TestSysctlUvmexp(t *testing.T) {
uvm, err := unix.SysctlUvmexp("vm.uvmexp")
if err != nil {
t.Fatal(err)
}
t.Logf("free = %v", uvm.Free)
}
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